Intermittent failure in DeploymentScannerUnitTestCase

DeploymentScannerUnitTestCase occasionally fails, 4 times in the last six weeks or so per Team City records:

http://brontes.lab.eng.brq.redhat.com/project.html?projectId=WildFlyCore&buildTypeId=&tab=testDetails&testNameId=-2364482317512802563&order=TEST_STATUS_DESC&branch_WildFlyCore=__all_branches__&itemsCount=50

May not be relevant but the change log associated with the first failure shows WFCORE-903 / WFCORE-860 as part of the change set:

http://brontes.lab.eng.brq.redhat.com/viewLog.html?buildId=70465&tab=buildChangesDiv&buildTypeId=WildFlyCore_MasterIgnorWindows